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MAX1627

Maxim
Part Number MAX1627
Manufacturer Maxim
Description Step-Down DC-DC Controllers
Published May 6, 2005
Detailed Description 19-1075; Rev 0; 6/96 NUAL KIT MA ATION SHEET A EVALU T A D WS FOLLO 5V/3.3V or Adjustable, 100% Duty-Cycle, High-Effic...
Datasheet PDF File MAX1627 PDF File

MAX1627
MAX1627

Overview
19-1075; Rev 0; 6/96 NUAL KIT MA ATION SHEET A EVALU T A D WS FOLLO 5V/3.
3V or Adjustable, 100% Duty-Cycle, High-Efficiency, Step-Down DC-DC Controllers ____________________________Features o Low Dropout Voltage o 100% Maximum Duty Cycle o Soft-Start Limits Start-Up Current o Efficiency >90% (3mA to 2A Loads) o Output Power >12.
5W o 90µA Max Quiescent Current o 1µA Max Shutdown Current o Up to 300kHz Switching Frequency o 16.
5V Max Input Voltage o Output Voltage: 5V/3.
3V (MAX1626) Adjustable (MAX1627) o Current-Limited Control Scheme _______________General Description The MAX1626/MAX1627 step-down DC-DC switching controllers provide high efficiency over loads ranging from 1mA to more than 2A.
A unique current-limited, pulse-frequency-modulated (PFM) control scheme operates with up to a 100% duty cycle, resulting in very low dropout voltages.
This control scheme eliminates minimum load requirements and reduces the supply current under light loads to 90µA (versus 2mA to 10mA for commo...


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